Diagnostic Trouble Code Index for September 2022
Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.Diagnostic Trouble Codes (DTC)
| Count | Trouble Code | Sample Definition | Manufacturers |
| 4 | P0300 | Multiple Cylinder Misfire Detected | GMC, Hyundai, Mercedes-Benz, Pontiac |
| 3 | P0301 | Cylinder 1 Misfire Detected | GMC, Hyundai, Mercedes-Benz |
| 3 | P0302 | Cylinder 2 Misfire Detected | Chrysler, Honda, Hyundai |
| 3 | P0303 | Cylinder 3 Misfire Detected | Honda, Hyundai, Mercedes-Benz |
| 2 | P0171 | Fuel System Lean (Bank 1) | Mini, Volvo |
| 2 | P0172 | Fuel System Rich (Bank 1) | Subaru, Toyota |
| 2 | P0299 | Turbocharger Engine Underboost | Chevrolet, Ram |
| 2 | P0315 | Crankshaft Position Sensor Variation Not Learned | Chevrolet, Ford |
| 1 | C0426 | Start Enable Drive Authorization System Not Issued. Read And Observe Repair Information. | Mercedes-Benz |
| 1 | P0011 | Intake Camshaft Position System Performance | Kia |
| 1 | P0016 | Crankshaft/Camshaft Timing Misalignment | Mercedes-Benz |
| 1 | P0037 | Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Low Voltage | Subaru |
| 1 | P0055 | Heated Oxygen Sensor (Bank 1 Sensor 3) Heater Resistance | Land Rover |
| 1 | P0107 | MAP Sensor Circuit Low Voltage | Honda |
| 1 | P011A | ECT Sensor 1-2 Correlation | BMW |
| 1 | P0122 | TP Sensor Circuit Low Voltage | Honda |
| 1 | P018B | Fuel pressure sensor performance | Chevrolet |
| 1 | P0191 | Fuel Rail Pressure Sensor Performance | Ford |
| 1 | P0221 | Throttle Position Sensor 2 Performance | Volkswagen |
| 1 | P0222 | Throttle Position Sensor 2 Circuit Low Voltage | Honda |
| 1 | P0234 | Turbocharger Engine Overboost | Honda |
| 1 | P0247 | WasteGate Actuator Circuit B | Ford |
| 1 | P0304 | Cylinder 4 Misfire Detected | Hyundai |
| 1 | P0307 | Cylinder 7 Misfire Detected | GMC |
| 1 | P0327 | Knock Sensor Circuit Low Voltage (Bank 1) | Chevrolet |
| 1 | P0335 | Crankshaft Position Sensor Circuit Malfunction | Ford |
| 1 | P0339 | Crankshaft Position Sensor Signal Intermittent | Honda |
| 1 | P0351 | Ignition Coil 1 Control Circuit Malfunction | Mercedes-Benz |
| 1 | P0452 | Fuel Tank Pressure Sensor Circuit Low Voltage | Honda |
| 1 | P0641 | 5-Volt Reference 1 Circuit Malfunction | Honda |
| 1 | P0A58 | gen low | Ford |
| 1 | P0C2C | transmission pump | Ford |
| 1 | P1137 | Heated Oxygen Sensor (Bank 1 Sensor 2) Low Voltage In Power Enrichment | Audi |
| 1 | P1289 | Manifold Tuning Valve Control Circuit Malfunction | Ford |
| 1 | P2127 | Accelerator Pedal Position Sensor 2 Circuit Low Voltage | Honda |
| 1 | P2138 | Accelerator Pedal Position Sensor 1-2 Correlation Error | Jeep |
| 1 | P2187 | Fuel Trim System Lean At Idle (Bank 1) | Honda |
| 1 | P2227 | BARO Sensor Performance | Chevrolet |
| 1 | P2228 | BARO Sensor Circuit Low Voltage | Chevrolet |
| 1 | P2635 | Fuel Pump Flow Performance | Chevrolet |
| 1 | P2796 | Auxiliary Transmission Fluid Pump Relay Control Circuit Malfunction | Toyota |
| 1 | P3043 | f/p mechanical malfunction intermitant | Audi |
| 1 | P3045 | fuel pump short circuit intermittent 4735 | Audi |
| 1 | P308D | fuel pump rpm too low | Audi |
| 1 | U0074 | control module communication powertrain expansion can bus off | Chevrolet |
| 1 | U2084 | lost comm w active grille | Ford |
